Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| reef1 |
1 |
today |
a ridge of rock, sand, or coral at or near the surface of ocean waters. |
Main |
Int. |
| pest |
1 |
today |
an insect or animal that causes damage to crops or is harmful in other ways. [2 definitions] |
Kids |
Ch. |
| cycle |
1 |
today |
a circle of events that repeats in a regular pattern. [3 definitions] |
Main |
Int. |
| number |
1 |
today |
a unit in math with a fixed value that is used in counting or to tell the position of something in a series. "Four," "four tenths," and "four hundred" are all ways of saying numbers. Numbers can also be represented by numerals, such as 4, 0.4, and 400. [11 definitions] |
Main |
Int. |